CN110862025A

CN110862025A - Lifting device for hoisting transport vehicle

Info

Publication number: CN110862025A
Application number: CN201911228201.6A
Authority: CN
Inventors: 杜孝进
Original assignee: ANHUI HUAHONG MACHINERY EQUIPMENT Co Ltd
Current assignee: ANHUI HUAHONG MACHINERY EQUIPMENT Co Ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-03-06
Anticipated expiration: 2039-12-04
Also published as: CN110862025B

Abstract

The invention discloses a lifting device for a hoisting transport vehicle, which comprises a suspension arm, wherein the outer end of the suspension arm is rotatably connected with a supporting seat, the upper end of the supporting seat is fixedly provided with a transmission case, the upper part of the transmission case is provided with a transmission mechanism, the lower ends of suspension ropes are fixedly connected with a mounting seat which is convenient for mounting a lifting appliance, rigid guide posts are symmetrically fixed on two sides of the suspension ropes, and a protective box is fixed between the rigid guide posts through a supporting beam plate; the protection box includes the box body, and the box body inner chamber divide into four working chambers, and every working chamber is fixed with first cylindricality dish and second cylindricality dish, and the cylindricality dish rotates separately and supports there is the bull stick, and the bull stick is located the outer body of rod of dish and has seted up the wire winding groove, and the body of rod that is located the dish is fixed with spiral strap. The invention utilizes the rigid guide post as a base body to support the protective box, when the lifting rope is broken at the winding position, the lifting rope can quickly fall down, the rotating speed of the rotating rod is greater than the adjusting speed of the spiral metal belt, so that the spiral metal belt is deformed, the lifting rope is tightly fixed by a clamp, and the safety production is ensured.

Description

Lifting device for hoisting transport vehicle

Technical Field

The invention relates to the technical field of hoisting transport vehicles, in particular to a lifting device for a hoisting transport vehicle.

Background

The truck with the truck can also be called a self-loading and self-unloading truck and the like. The lifting and transporting integrated machine is mainly used for stations, warehouses, wharfs, construction sites, field rescue and other places. Cargo compartments of different lengths and cranes of different tonnages can be provided.

The steel pipe transportation of traditional steel pipe pickling unit generally adopts two ordinary dolly cranes of manual driving to go on, because this kind of ordinary two dolly cranes of manual driving's hoisting wire rope is flexible material, the steel pipe rocks very greatly in the transportation, hits acid vat or other production facility very easily, and the accident rate is high.

Therefore, the patent specification with the publication number CN103350953B discloses a lifting device for a lifting transport vehicle, the lifting transport vehicle comprises a cart and two rails, two ends of the cart are arranged on the two rails, the cart can move on the two rails, the lifting device comprises at least two sets of lifting equipment, the at least two sets of lifting equipment are arranged in the cart in a row at equal intervals, and each set of lifting equipment comprises a transmission mechanism, two rigid guide columns, a steel wire rope and a lifting mechanism. However, the lifting device for the hoisting transport vehicle has the defects that the lifting rope is prone to breaking due to rigid friction when being wound, and then the hanging object falls, so that the hanging object is prone to being damaged, and the lifting device has large potential safety hazards.

Disclosure of Invention

The present invention has been made to overcome the above-mentioned problems occurring in the conventional art, and an object of the present invention is to provide a lifting device for a lifting truck.

In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:

a lifting device for a hoisting transport vehicle comprises a suspension arm, wherein the outer end of the suspension arm is rotatably connected with a supporting seat, the upper end of the supporting seat is fixed with a transmission case, the upper part of the transmission case is provided with a transmission mechanism capable of winding two suspension ropes, the lower ends of the two suspension ropes are fixedly connected with a mounting seat convenient for mounting a lifting appliance, the lower end of the supporting seat is positioned at two sides of the suspension ropes and symmetrically fixed with rigid guide columns, a protection box used for clamping the suspension ropes after the suspension rope winding part is broken is fixed between the two opposite rigid guide columns through a supporting beam plate, the protection box comprises a rectangular box body, the inner cavity of the box body is divided into four working cavities by a cross-shaped partition plate, the front wall and the rear wall of each working cavity are respectively fixed with a first cylindrical disc and a second cylindrical disc, and the front wall and the rear wall of the respective inner cavity of the first cylindrical disc and the second cylindrical disc are rotatably supported with, two the wiring groove that the position corresponds is seted up at the body of rod middle part that the bull stick is located the dish body outside, and the body of rod outside that is located between two supporting blocks of disk body is fixed with the spiral strap, the perforation that the lifting rope of being convenient for passed is seted up to the upper and lower curb plate of box body and the diaphragm portion of cross baffle.

Further, in the lifting device for the hoisting transport vehicle, the protection box is supported by stainless steel materials, and the wall thickness of the box body is 1-2 cm.

Furthermore, in the lifting device for the hoisting transport vehicle, reinforcing ribs are welded at the joints of the supporting beam plates, the rigid guide columns and the protection boxes.

Further, in the lifting device for the lifting transport vehicle, the axes of the first cylindrical plate and the second cylindrical plate are staggered.

Further, among the above-mentioned elevating gear for jack-up transport vechicle, the internal end of the area of spiral metal area is fixed with the bull stick joint, and the area external diameter equals the inner chamber diameter of the first column dish or the second column dish in place.

Further, in the lifting device for a crane truck, the spiral metal strip is a spiral aluminum strip.

The invention has the beneficial effects that:

the invention has reasonable structural design, the rigid guide post is used as a base body to support the protective box, the lifting rope passes through the protective box, and when the lifting rope is normally lifted slowly, the rotating rod drives the spiral metal belt on the rotating rod to rotate slowly; when the lifting rope is at the fracture of coiling department, the lifting rope can drop fast because the action of gravity, and the rotational speed of bull stick is greater than spiral metal band self governing speed, leads to spiral metal band to warp, and then dies the bull stick card, finally makes the lifting rope dead by the card fixed, prevents that the hanging thing from further dropping, guarantee safety in production.

Of course, it is not necessary for any one product that embodies the invention to achieve all of the above advantages simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the present invention in use;

FIG. 2 is a schematic top view of the protective case of the present invention;

FIG. 3 is a schematic front view of the protective case of the present invention;

FIG. 4 is a schematic view of the threading of a lifting rope in the protective case of the present invention;

in the drawings, the parts are numbered as follows:

1-suspension arm, 2-supporting seat, 3-transmission box, 4-transmission mechanism, 5-suspension rope, 6-mounting seat, 7-rigid guide column, 8-supporting beam plate, 9-protective box, 901-box body, 902-cross-shaped partition plate, 903-working cavity, 904-first cylindrical disk, 905-second cylindrical disk, 906-supporting block, 907-rotating rod, 908-rope winding groove and 909-spiral metal belt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present embodiment is a lifting device for a lifting transport vehicle, which includes a boom 1, a supporting seat 2 rotatably connected to an outer end of the boom 1, a transmission case 3 fixed to an upper end of the supporting seat 2, a transmission mechanism 4 capable of winding two lifting ropes 5 disposed on an upper portion of the transmission case 3, a mounting seat 6 for mounting a lifting tool and fixedly connected to lower ends of the two lifting ropes 5, and rigid guide posts 7 symmetrically fixed to two sides of the supporting seat 2, which are located on the lifting ropes 5. The main improvement points of the embodiment are as follows: a protective box 9 for clamping the lifting rope 5 after the winding position of the lifting rope 5 is broken is fixed between the two opposite rigid guide columns 7 through a support beam plate 8.

In this embodiment, the protection box 9 includes a rectangular box 901, and an inner cavity of the box 901 is divided into four working cavities 903 by cross partitions 902. A first cylindrical disc 904 and a second cylindrical disc 905 are fixed on the front wall and the rear wall of each working cavity 903 respectively, rotating rods 907 are rotatably supported on the front wall and the rear wall of each inner cavity of the first cylindrical disc 904 and the second cylindrical disc 905 through supporting blocks 906, rope winding grooves 908 corresponding to the positions of the two rotating rods 907 in the middle of a rod body outside the disk body are formed in the middle of the rod body between the two supporting blocks 906 in the disk body, spiral metal strips 909 are fixed on the outer side of the rod body between the two supporting blocks 906 in the disk body, and through holes 910 convenient for a lifting rope 5 to pass through are formed in the upper side plate and the lower side plate.

In this embodiment, the protection box 9 is made of stainless steel, the wall thickness of the box body 901 is 1-2cm, and the support beam plate 8 is welded with reinforcing ribs at the joints with the rigid guide posts 7 and the protection box 9. The joint has higher strength, and meets the subsequent supporting requirements on the lifting rope 5 and the hanging object. .

In this embodiment, the axes of the first and second

cylindrical disks

904, 905 are offset from each other.

In this embodiment, the inner end of the spiral metal strip 909 is fixed to the rotating rod 907 in a snap-fit manner, and the outer diameter of the strip is equal to the diameter of the inner cavity of the first cylindrical disc 904 or the second cylindrical disc 905. The spiral metal strip 909 is a spiral aluminum strip.

One specific application of this embodiment is: the structure of the embodiment is reasonable in design, the rigid guide post 7 is used as a base body to support the protective box 9, the lifting rope 5 passes through the protective box 9, and when the lifting rope 5 normally and slowly goes up and down, the rotating rod 907 drives the spiral metal strip 909 on the rotating rod to slowly rotate along with the rotating rod; when the lifting rope 5 is broken at the winding position, the lifting rope 5 can fall down rapidly under the action of gravity, the rotating speed of the rotating rod 907 is greater than the adjusting speed of the spiral metal strip 909, the spiral metal strip 909 deforms, the rotating rod 907 is clamped, and finally the lifting rope 5 is clamped and fixed by the two fixed rotating rods 907, so that the lifting rope is prevented from falling further, and the safety production is guaranteed.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a elevating gear for jack-up transport vechicle, includes the davit, the outer end of davit is rotated and is connected with the supporting seat, the upper end of supporting seat is fixed with the transmission case, the upper portion of transmission case is equipped with the drive mechanism that can convolute two lifting ropes, two the lower extreme of lifting rope links firmly the mount pad of being convenient for to install the hoist jointly, the bilateral symmetry that the lower extreme of supporting seat is located the lifting rope is fixed with rigidity guide post, its characterized in that: two relatively be fixed with the protection box that is used for the lifting rope centre gripping after the fracture of lifting rope coiling department between the rigidity guide post through the supporting beam board, the protection box includes the box body of cuboid form, the box body inner chamber is divided into four working chambers by the cross baffle, and the preceding back wall of every working chamber is fixed with first cylindricality dish and second cylindricality dish respectively, the preceding back wall of first cylindricality dish, second cylindricality dish inner chamber separately has the bull stick, two the bull stick is located the body of rod middle part outside the dish and has seted up the wiring groove that the position corresponds, and the body of rod outside that is located between two supporting blocks of dish is fixed with the spiral strap, the perforation that the lifting rope of being convenient for passed is seted up to the last lower lateral plate of box body and the diaphragm of cross baffle.

2. Lifting device for lifting carriages according to claim 1, characterized in that: the protection box is supported by stainless steel materials, and the wall thickness of the box body is 1-2 cm.

3. Lifting device for lifting carriages according to claim 1, characterized in that: and the supporting beam plate is welded with reinforcing ribs at the joint of the supporting beam plate and the rigid guide column and the protection box.

4. Lifting device for lifting carriages according to claim 1, characterized in that: the axes of the first cylindrical disc and the second cylindrical disc are staggered.

5. Lifting device for lifting carriages according to claim 1, characterized in that: the inner end of the spiral metal belt is fixedly connected with the rotating rod in a clamping mode, and the outer diameter of the belt body is equal to the diameter of an inner cavity of the first cylindrical disc or the second cylindrical disc.

6. Lifting device for lifting carriages according to claim 1, characterized in that: the spiral metal strip is a spiral aluminum strip.